唯一的限制是你给自己设定的限制。
The only limit is the one you set for yourself.
Happiness in marriage is entirely a matter of chance.
The real art of conversation is not only to say the right thing at the right place but to leave unsaid the wrong thing at the tempting moment.
The greatest obstacle to progress is not ignorance, but the illusion of knowledge.
Life is short, but if we live it right, once is enough.